Originally posted by Biowings:

"...perhaps the footage could be taken from some of those...without using a fan in a suit."

I would never use a "fan" in a suit. I'd use either a real actor, or maybe a student actor, who would make an effort to pickup on Anthony Daniels' 3PO mannerisms.

Furthermore, if the green-screen technique were implemented, the "R2 Flying" issue could be solved by using a combination of R2 against green-screen and existing footage. Though, I supposed this could also be accomplished with a CG R2. That is, if someone puts in the effort to make one. I'll bet someone already has.

I'd never opt for a CG 3PO though. I think we can all agree that CG 3PO in AotC seemed very "lifeless."